package cn.learn.async.lock;

/**
 * 死锁：多个线程互相占着其他线需要的资源，然后形成了僵持
 *
 * @author huangyezhan
 * @version 1.0
 * @date 2021年05月30日20:15
 */
public class DeadLock {

    public static void main(String[] args) {
        Makeup gird1 = new Makeup(0, "灰姑凉");
        Makeup gird2 = new Makeup(1, "白雪公主");

        gird1.start();
        gird2.start();
    }

}

/**
 * 口红
 */
class Lipstick {
}

/**
 * 镜子
 */
class Mirror {
}


class Makeup extends Thread {
    static Lipstick lipstick = new Lipstick();
    static Mirror   mirror   = new Mirror();

    /**
     * 选择
     */
    private int    choice;
    /**
     * 使用化妆品的人
     */
    private String girlName;

    public Makeup(int choice, String girlName) {
        this.choice = choice;
        this.girlName = girlName;
    }


    @Override
    public void run() {
        try {
            makeup();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    private void makeup() throws InterruptedException {
        if (choice == 0) {
            synchronized (lipstick) {
                System.out.println(this.girlName + "获得口红的锁");
                Thread.sleep(1000);

                synchronized (mirror) {
                    System.out.println(this.girlName + "获得镜子的锁");
                }
            }
        } else {
            synchronized (mirror) {
                System.out.println(this.girlName + "获得镜子的锁");
                Thread.sleep(2000);
                synchronized (lipstick) {
                    System.out.println(this.girlName + "获得口红的锁");
                }
            }
        }
    }

}

